The planet often called the "jewel of the sky" is Venus.

Here's why:

* Brilliant Appearance: Venus is the brightest object in the night sky (aside from the moon) due to its dense, highly reflective atmosphere. It shines so brightly that it can even be seen during the day.

* Beautiful Colors: Depending on the time of day and its position in the sky, Venus can appear a brilliant white, yellow, or even orange. This changing color adds to its alluring appearance.

While other planets have their own captivating qualities, Venus is often given this title due to its exceptional brightness and captivating color variations.